Pith Number

pith:NGDA4LHL

pith:2010:NGDA4LHL7YBD4M2BCBLCWJXNTH

not attested not anchored not stored refs pending

Internal conversion electrons and supernova light curves

I. R. Seitenzahl

arxiv:1012.4647 v1 · 2010-12-21 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NGDA4LHL7YBD4M2BCBLCWJXNTH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:04:19.312940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69860e2cebfe023e334110562b26ed99f2df7e53e538c89742a568c1004a149f

Aliases

arxiv: 1012.4647 · arxiv_version: 1012.4647v1 · doi: 10.48550/arxiv.1012.4647 · pith_short_12: NGDA4LHL7YBD · pith_short_16: NGDA4LHL7YBD4M2B · pith_short_8: NGDA4LHL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/NGDA4LHL7YBD4M2BCBLCWJXNTH \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 69860e2cebfe023e334110562b26ed99f2df7e53e538c89742a568c1004a149f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43dee0ee0400695ee589030de365856fb3835c2e18fec52867f4c7479c958b04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-12-21T13:26:15Z",
    "title_canon_sha256": "cab4b1d1a35ac99427768f69791a0e666d425e29e85d57c962bbce68dc3f89e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.4647",
    "kind": "arxiv",
    "version": 1
  }
}